actually, check all your fuses first and make sure they all ok.
in they event they are fine, the job requires you to take down your instrument cluster to change the "CEL" light. The pelican tech pages might have a step-by-step procedure on how to do that; but, i suggest you have you car scanned to make sure it is the bulb. Bimmers display a code that will let u know that the bulb is indeed the fault ;-)
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